汽车异常情况相当复杂，有的是同一现象，但原因不同，例如排气管冒黑烟可能是燃油供给系的故障，也可能是点火系的故障。
参考答案：对
----The task is challenging and demanding. Who do you think can make it?
---- ___________my partner have a try? I think she is the right person to do it.
A．Will
B．Might
C．Should
D．Shall
蒲黄、旋覆花等药入煎剂宜（）
A.包煎
B.后下
C.先煎
D.烊化
E.冲服
